baber/WOPTO huggingface dataset:
Patent CA-2023539-A1 (CA)
Title: Gas pressure relief system
Inventor: PELKEY MARK J
IPC: F17D1/20
Filed: 1990-08-17
Abstract: ABSTRACT     The gas distribution system has a main gas line in gas flow connection with several components including  a  gas  pressure  safety  structure.    A pressure regulator is located on a front or forward portion of the main gas line and reduces the gas pressure at a point in the main gas line subsequent to the pressure regulator.   There is an auxiliary gas line that extends from a point on the main line before  the  gas  pressure regulator  to  the  gas pressure safety structure.  The gas pressure safety structure  has in  gas  flow  connection  a  source pressure  regulator,  an  inspirator  and a  pressure sensing pilot all in gas flow connection with a gas venting means.  Upon overpressurization the pressure sensing pilot will be activated and the inspirator will cause a vacuum to be formed in its connection with the gas venting means.  This vacuum will open the gas venting means to permit the excess gas to be vented to the atmosphere.
Patent CA-2024544-A1 (CA)
Title: Protective automatic dishwashing system
Inventor: BATES CHARLES R JR
IPC: B08B13/00
Filed: 1990-09-04
Abstract: PROTECTIVE AUTOMATIC DISHWASHING SYSTEM               ABSTRACT OF THE INVENTION    A protective automatic dishwashing system is provided which comprises means for intercepting and preventing an accumulation of leakage liquid from an automatic dishwasher prior to the leakage liquid contacting the underlying surface on which the dishwasher is supported.  It also includes means in the intercepting and preventing means for diverting leakage liquid from the dishwasher and away from an enclosed area located beneath the dishwasher and alerting a user of the dishwasher that leakage liquid is being emitted from the dishwasher.  The protective device includes intercepting and preventing means sized to fit beneath the dishwasher prior to installation of the dishwasher on the underlying surface.
Patent CA-2024704-A1 (CA)
Inventor: WRAIGHT PETER
IPC: E21B47/08
Filed: 1990-09-05
Abstract: The MWD methods and MWD apparatus disclosed herein include methods and apparatus for rotating a directionally-responsive radiation sensor having an outwardly-directed response axis in a borehole.  These MWD methods and MWD apparatus further includes methods and apparatus for obtaining a series of successive measurements representative of a geometrical parameter of the borehole as well as a characteristic of the adjacent earth formations as the sensor scans circumferentially-spaced locations on the walls of a borehole interval.  Methods and apparatus are provided for determining the mean of the successive measurements as well as the standard deviation of the successive measurements and then combining these computations for providing output signals that are uniquely corrected in accord with variations in the transverse cross-sectional configuration of the borehole for providing indications representative of the desired formation characteristic as well as indications representative of the borehole configuration.
Patent CA-2025442-A1 (CA)
Title: Stabilizing system for eva hot melt compositions and eva hot melt compositions containing them
Inventor: GERHARDT GLENN
IPC: C08K5/00
Filed: 1990-09-14
Abstract: ABSTRACT OF THE DISCLOSURE          A stabilizing system for ethylene vinyl acetate copolymers (EVA copolymers) and hot melts based upon them.          The stabilizing system comprises one or more fatty acid amides in an amount of from about 1 to about 10 parts per 100 parts of EVA copolymer and/or an epoxidized soya oil in an amount of from about 1 to about 15 parts per 100 parts of EVA copolymer.  The stabilizing system inhibits the decomposition of the EVA copolymer which decomposition includes the generation of acetic acid.
Patent CA-2025868-A1 (CA)
Title: Opaque and pearlescent, laminated and stretched products, and method for making them
Inventor: ISHIBASHI TADAO
IPC: B32B27/32
Filed: 1990-09-20
Abstract: An opaque and pearlescent, laminated and stretched product comprises a layer (A) and a layer (B) overlaid on and laminated by melt-adhesion to at least one side of the layer (A).  The layer (A) forms a uniform layer comprising 97 to 70 % by weight of a crystalline polypropylene and 3 to 30 % by weight of a cyclopentadiene derived petroleum resin having a softening point of 160°C or higher and stretched in at least one direction.  The layer (B) comprising a crystalline polypropylene whose crystalline melting point is higher or lower than that of the crystalline polypropylene forming the layer (A) by less than 10°C.
Patent CA-2026649-A1 (CA)
Title: Robot
Inventor: BOISSEAU JEAN-LOUIS
IPC: B65G61/00
Filed: 1990-10-01
Abstract: TITRE DE L'INVENTION ROBOT TEXTE DE L' Robot à structure cylindrique à axes de rotation verticaux comprenant une embase (1) d'appui au sol; une colonne (2) montée à pivotement autour d'un axe (4) ; un organe support de liaison et d'entrainement (6) souple et inextensible, fermé en boucle , monté sur et le long de la colonne (2) ; un chariot (11) fixe à un des tronçons verticaux (9, 10) de l'organe (6) ; une potence (12) horizontale montée sur le chariot (11) à pivotement autour d'un axe (15); une tête (16) montée sur la potence (12) à pivotement autour d'un axe (17) ; des organes d'entrainement et de commande ; un second chariot (18) fixé au second tronçon (10) de l'organe (6), une seconde potence (19) ; une seconde tète (22) montée sur la seconde potence (19) ; les deux ensembles (25, 26) constitués respectivement par le chariot (11), la potence (19), la tète (22) d'une part, le chariot (18), la potence (19), la tète (24) d'autre part étant déplacés en direction verticale en synchronisme, dans des sens opposés l'un à l'autre Figure 1.
Patent CA-2027446-A1 (CA)
Title: Cyclohexenone compounds and their use as herbicides or plant growth regulators
Inventor: KAST JUERGEN
IPC: C07C255/64
Filed: 1990-10-12
Abstract: Cyclohexenone compounds of the formula I    where the substituents have the following meanings:      R1 substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or benzyl;        A ~oxygen, N-OR2, NR3;   R2 substituted or unsubstituted alkyl, alkenyl, alkynyl;        R3 hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, substituted or unsubstituted phenyl or benzyl;   processes for their manufacture and their use for combating unwanted plant growth and for regulating plant growth.
Patent CA-2027835-A1 (CA)
Title: Strains of phaffia rhodozyma containing high levels of astaxanthin
Inventor: PREVATT WILLIAM D
IPC: C12N1/16
Filed: 1990-10-17
Abstract: Abstract The present invention provides novel strains of Phaffia rhodozyma, which produce high levels of astaxanthin.
Patent CA-2033403-A1 (CA)
Title: Photoresist containing aliphatic di- and tri-esters of aliphatic and aromatic di-and tri-acids and alcohols
Inventor: MCFARLAND MICHAEL J
IPC: G03F7/004
Filed: 1990-12-28
Abstract: ABSTRACT          A photosensitive composition containing an alkali soluble resin, a photosensitizer compound and a plasticizer which is selected from aliphatic di- and tri-esters of aliphatic and aromatic di-and tri-acids and alcohols in a solvent mixture.  After drying and imagewise exposing, the composition is developed to produce a positive photoresist image.
Patent CA-2033735-A1 (CA)
Title: Device for non-manual capture, storage and transport of queen bees
Inventor: GEFEN DAVID
IPC: A01K49/00
Filed: 1991-01-07
Abstract: A B S T R A C T :            A cage-type device for trapping, storing, transporting and re-leasing a queen bee, possible with one or more worker bees.          The cage comprises two slidingly attachable members which con-stitute bottom and roof members and also side-walls, in which there are provided  entry and exit ports for the queen bee and for worker bees, which can be opened or closed, as required, by changing the relative position of the two slideable members.          There is also provided a comparatively large opening, preferably in the floor section, for scooping up the queen bee, which can also be closed by a sliding motion of the two members. According to one embodiment, a compartment for a supply of bee food is provided.  According to another embodiment, a slot of predetermined shape can be provided in one of the walls through which a movable member can be inserted, which makes possible to move the queen bee to a desired location in the cage.
Patent CA-2035633-A1 (CA)
Title: Vehicle with endless belt
Inventor: IWASHITA KANAU
IPC: B62M27/02
Filed: 1991-02-04
Abstract: A snow vehicle employing a motorcycle body with a steering ski and supporting assembly replacing the front wheel and an endless belt type driving device replacing the rear wheel. A rear fork pivotally mounted to the rear portion of the motorcycle body and includes an integrally formed arm extending rearwardly from the rear fork to mount a drive wheel and one or more guide wheels which in turn mount an endless track belt. The arm extends rearwardly to either side of the track and inwardly thereof for mounting of the guide wheel or wheels.
Patent CA-2036759-A1 (CA)
Inventor: YAMANISHI MASAMICHI
IPC: H01S5/00
Filed: 1991-02-20
Abstract: There is provided a magnetooptic device comprising: a substrate; a semiconductor layer having a quantum well structure formed on the substrate, in which the semiconductor layer is formed by alternately laminating a well layer and a barrier layer and at least the barrier layer in those layers contains magnetic ions; and electrodes to apply an electric field to the semiconductor layer.  A light which was polarized in a predetermined direction is input to the semiconductor layer.  A magnetic field is applied to the semiconductor layer.  An electric field is applied to the semiconductor layer by the electrodes.  The light which was transmitted in the semiconductor layer is extracted.  A degree of leakage of a wave function of the carrier in the well layer into the barrier layer changes.  An effective magnetic field which a carrier spin feels changes by an exchange interaction between the carrier spin and a magnetic moment associated with the magnetic ions.  Thus, a degree of magnetooptic effect which is given to the transmission light changes.  The degree of manetooptic effect can be controlled by the applied electric field.          The magnetooptic device is preferably used as an optical modulator or an optical isolator in the field of optical communication or optical memory.
Patent CA-2037153-A1 (CA)
Title: Acetic acid derivatives
Inventor: ALIG LEO
IPC: C07D211/62
Filed: 1991-02-26
Abstract: Abstract Acetic acid derivatives of the formula H2N(NH)C-X-Y-CO-CH(Q1)COOQ2          I   in which X, Y, Z, Q1 and Q2 have the meaning indicated in the description, and hydrates, solvates and physiologically utilisable salts thereof inhibit the binding of adhesive proteins to blood platelets and also inhibit blood platelet aggregation and cell-cell adhesion. They are prepared by removal of protecting groups in appropriate compounds containing ester groups and protected amidino groups.
Patent CA-2037569-A1 (CA)
Title: Controlled release formulation
Inventor: BARKER SIDNEY A
IPC: A23L27/00
Filed: 1991-03-05
Abstract: A controlled release formulation based on a gel matrix for controlled release of a pharmaceutical, a foodstuff, or as a component of a diagnostic assay apparatus.
Patent CA-2037794-A1 (CA)
Title: Device for closing containers and pouring liquids from them
Inventor: ZANOTELLI GIOVANNI F
IPC: B65D51/16
Filed: 1991-03-08
Abstract: ABSTRACT          Device for closing containers and pouring liquids from them, comprising a connecting piece that can be mounted on a mouthpiece of the container and has a central valve seat which defines an annular orifice for the outflow of the liquid, and a cap unit screwed to the connecting piece, which is fitted with a pouring spout, whereby the connecting piece has features such that the height of the pouring device is limited and an auxiliary annular chamber is present around the connecting piece, which chamber is  equipped with a vent in its base, which vent ensures equalization of pressure inside the container when liquid is being poured out.
Patent CA-2039342-A1 (CA)
Title: Pair of downhill skis with a minimum width and specific width/length ratio
Inventor: SCHERUBL FRANZ
IPC: A63C5/044
Filed: 1991-03-28
Abstract: An alpine ski with reinforcement layers, a top surface layer and a running surface layer. The ski has a width which is greater than 10 cm and is in the range of five percent and twenty percent of the length. The ski design makes skiing on soft snow, especially deep snow, possible for average skiers.
Patent CA-2042084-A1 (CA)
Title: Inks
Inventor: VIEIRA ERIC
IPC: C09D11/38
Filed: 1991-05-08
Abstract: Inks Abstract Inks, in particular for ink-jet printing, containing, as stabiliser, a water-soluble compound of the formula   in which R1 to R7 are as defined in claim 1, and recording materials containing these compounds.
Patent CA-2042127-A1 (CA)
Title: Catalyst compositions and polymerization process, hexakisphosphines and hexahalo compounds
Inventor: KEIJSPER JOHANNES J
IPC: C07F9/50
Filed: 1991-05-08
Abstract: A B S T R A C T       CATALYST COMPOSITIONS AND POLYMERIZATION PROCESS, HEXAKISPHOSPHINES AND HEXAHALO COMPOUNDS      Catalyst compositions which contain a Group VIII metal and a hexakisphosphine of the general formula (R1R2P)6R5 in which R1 and R2 represent identical or different optionally polar-substituted hydrocarbyl groups and in which R5 is a hexavalent organic linking group which connects the six phosphorus atoms, are suitable for the preparation of copolymers of carbon monoxide and olefinically unsaturated compounds. Certain intermediates useful for their preparation are novel compounds.
Patent CA-2042643-A1 (CA)
Title: Weighted line
Inventor: EDWARDS MICHAEL V
IPC: D07B5/00
Filed: 1991-05-15
Abstract: WEIGHTED LINE                Abstract of the Disclosure A lead-line having a plurality of longitudinally aligned weights snugly enclosed within a flexible, resil-ient sheath.  The weights have ">" shaped ends which are offset  between  adjacent  weights  and  which  make  point contact with the ends of adjacent weights, thereby allowing the lead-line to flex in all directions.
Patent CA-2045474-A1 (CA)
Inventor: FISHER EDWARD G
IPC: G09G5/30
Filed: 1990-10-16
Abstract: A method of encoding the characters of a character set, wherein the characters have a plurality of attributes (e.g., base, diacritical, and case), and wherein each attribute may have a plurality of values. The method comprises the steps of: dividing a multi-digit code into a plurality of parts, assigning each attribute to a different part, and, within each part, assigning a different numerical code to each different value of the attribute.
Patent CA-2045629-A1 (CA)
Title: Fire retardants
Inventor: WESTON CHARLES M
IPC: C08K5/521
Filed: 1990-06-28
Abstract: ABSTRACT      A fire retardant composition comprising:  (i) at least one halogenated phosphate; and (ii) at least one phenol substituted with one or more halogen atoms.  The fire retardant composition may be used in the production of plastic materials, as a fire retardant coating, and as a surface treatment to improve the fire retardancy of textiles and other fibres.
Patent CA-2046123-A1 (CA)
Title: Boat
Inventor: TALMOR AMNON
IPC: B63B43/06
Filed: 1991-07-03
Abstract: ABSTRACT OF THE INVENTION           The invention provides for a versatile boat which is highly stable and maneuverable in a variety of water conditions.  The boat is substantially symmetrical about a longitudinal, vertical plane and has a lower hull portion that is generally V-shaped in cross section. Connected to the lower hull portion is a generally inverted V-shaped upper hull portion which is interrupted in both the bow and stern by decks inclined toward the longitudinal plane.  Positioned interiorly of the hull sections and extending substantially the length of the boat is an internal barge structure.  The barge structure is spaced apart from the hull sections to define ballast compartments in between these structures.  When flooded, the ballast compartments enable the boat to operate in a semi-submerged position while floating on the internal barge structure.  The boat is further provided with a separate bow ballast tank which, when flooded, shifts the boat's center of gravity to further increase its stability and reduce vertical acceleration through oncoming waves.
Patent CA-2046320-A1 (CA)
Title: Method and device for generating random numbers in a system comprising portable electronic objects
IPC: G06F7/58
Filed: 1990-12-18
Abstract: Method for generating a random number in a system comprising portable objects such as cards incorporating memory chips and microcircuits. A random number is generated by the processing circuits of the portable objects, taking into account a first parameter (PA1) constituted by the data from a field (RB) of the memory (MC) of the object, this data being modified on each random number request during a session, and a second parameter (PA2) constituted by data from another memory zone (13) of the object, this data being modified at least once during each session, and retained between two successive modifications from one session to the next.
Patent CA-2046687-A1 (CA)
Title: Phenolic compounds
Inventor: MINAMI TOSHIAKI
IPC: C07C317/32
Filed: 1991-07-10
Abstract: Abstract of the Disclosure 4-Hydroxydiphenylsulfone derivatives represented by formula (I)              (I) wherein R1, R2, R3 and R4, independently from one another, each denote a hydrogen atom, an alkyl group, a substituted or unsubstituted phenyl group or a cycloalkyl group, provided at least one of R1, R2, R3 and R4 is other than a hydrogen atom, and R denotes an alkyl group, an alkenyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted cycloalkyl group or a substituted or unsubstituted phenylalkyl group. Said compounds are useful as a developer in a heat sensitive color formation layer of a heat sensitive recording material.
Patent CA-2048347-A1 (CA)
Title: Process for the preparation of deoxynucleosides
Inventor: GREEN KENNETH E
IPC: C07D239/54
Filed: 1991-08-02
Abstract: An improved process for the preparation of 2' and 3'-(halo-substituted)-2',3'-dideoxy nucleosides by reacting a protected anhydrothymidine compound with a halogenating composition containing a substituted organoaluminum compound which exhibits greater solubility in conventional solvents than AlF3.
Patent CA-2048666-A1 (CA)
Title: Use and composition of a reactant gas to control fuel cell potential
Inventor: BUSHNELL CALVIN L
IPC: H01M8/04
Filed: 1990-12-07
Abstract: A fuel cell (10) system in which a nitrogen (N2) gas is used on the anode section (11) and a nitrogen/oxygen (N2/O2) gaseous mix is used on the cathode section (12) to maintain the cathode at an acceptable voltage potential during adverse conditions occurring particularly during off-power conditions, for example, during power plant shutdown, start-up and hot holds. During power plant shutdown, the cathode section is purged with a gaseous mixture of, for example, one-half percent (0.5 %) oxygen (O2) and ninety-nine and a half percent (99.5 %) nitrogen (N2) supplied from an ejector (21) bleeding in air (24/28) into a high pressure stream (27) of nitrogen (N2) as the primary or majority gas.  Thereafter the fuel gas in the fuel processor (31) and the anode section (11) is purged with nitrogen gas to prevent nickel (Ni) carbonyl from forming from the shift catalyst.
Patent CA-2049267-A1 (CA)
Title: Target support for projection cathode ray tube
Inventor: SALYER KENNETH S
IPC: H01J31/10
Filed: 1991-08-15
Abstract: TARGET SUPPORT FOR PROJECTION    CATHODE RAY TUBE     Abstract of the Disclosure An improved target assembly 17 for a projection cathode ray tube 10 is provided wherein the target member 21 is protected from being inadvertently tilted, and thus the tube 10 defocused when subjected to shock loading.  The target member 21 is supported by a shaft screw 35, which in turn is mounted on an adjustment pad 36 for initially tilting the target member 21 to focus the image.  The positive locking means 40 includes external threads on the shaft screw 35 received by inside threads of a center aperture 38 in the adjustment pad 36.  A locking nut 40 is utilized to jam the shaft screw 35 against the pad 36, and thereby load the cooperating threads.          In addition, a threaded mounting stud 23 of the target member 21 engages internal threads 46 of the shaft screw 35 at the opposite end, and a locking set screw 45 inside the shaft engages these internal threads 46 and is tightened against the stud 23 to load these threads 46.
Patent CA-2049710-A1 (CA)
Title: Assays using a soluble fibrin-like monomer
Inventor: PROCYK ROMAN
IPC: C12Q1/56
Filed: 1991-08-22
Abstract: ABSTRACT OF THE DISCLOSURE     An assay method that requires a soluble fibrin monomer or a soluble fibrin monomer reagent as one of the components of the assay.  The reagent is a fibrin-like material having a solubility and stability similar to fibrinogen in that it remains soluble and stable at physiological conditions at a concentration employed in the assay in the absence of fibrin polymerization inhibitors or reagents for maintaining solubility.
Patent CA-2049866-A1 (CA)
Title: System and method for optical recognition of bar-coded characters
Inventor: HIGGINS RAYMOND L
IPC: G06V30/224
Filed: 1991-08-26
Abstract: A system and method are disclosed for optical scanning and recognition of bar-coded characters (e.g., CMC7 type characters having a pattern of bars and intervals) recorded on documents such as bank drafts and checks.  The system comprises an optical scanner, a microprocessor, a read-only-memory (ROM), a random-access-memory (RAM, with a stored program) for storing data and a plurality of pre-determined character-identifying binary codes.  The scanner optically scans each document and produces a plurality of grey-scale pixel values corresponding to the bars and intervals of the characters.  The grey-scale pixel values are then stored in the RAM under control of the microprocessor.  The microprocessor processes the stored pixel values, and effectively locates, and segments each character on the document by taking one or more slices (segments) of each character.  Each segment includes a plurality of grey-scale pixel values representing a horizontal slice of a character. The microprocessor than converts the segment of pixel values to a binary code, and compares the binary code to the predetermined binary codes for obtaining a match, identifying the character.
Patent CA-2051949-A1 (CA)
Title: Isomerization of alkylphenols
Inventor: SACHTLER J W ADRIAAN
IPC: C07C39/07
Filed: 1991-09-20
Abstract: "ISOMERIZATION OF ALKYLPHENOLS"              ABSTRACT             A nonequilibrium mixture of alkylphenols is isomerized by contacting hydrogen and the mixture at isomerization conditions with a catalyst comprising a combination of a platinum group metal and a modifier selected from lead, tin, germanium or bismuth with a carrier containing a pentasil zeolite and an inorganic oxide binder.
Patent CA-2061794-A1 (CA)
Title: Implement suitable for removing the metal cap from the container, made of plastic material, of the drinking-bottles for small laboratory animals
Inventor: MAGLIOCCHETTI CARMINE
IPC: B67B7/16
Filed: 1992-02-25
Abstract: ABSTRACT         An   implement suitable for removing the metal cap from the container of plastics material of the drinking-bottles for small laboratory animals is disclosed, which comprises a handle and a ring fastened thereto suitably shaped for being snugly fitted around the cap, and means for engaging the bottom edge of said cap in order to lift the cap following a leverage action exerted by the user on the handle.